Theory of Structures parabolic arch of span and rise , is given by The equation of a y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 2h/l² × (1 – x) y = 4h/l² × (1 – x) y = 3h/l² × (1 – x) y = h/l² × (1 – x ) y = 2h/l² × (1 – x) ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of 1 : 1½ : 2 1 : 1 : 2 2 : 1½ : 1 None of these 1 : 1½ : 2 1 : 1 : 2 2 : 1½ : 1 None of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A shaft subjected to a bending moment M and a torque T, experiences Maximum shear stress = 16 T/πd³ Neither A nor B Maximum bending stress = 32M/πd³ Both A and B Maximum shear stress = 16 T/πd³ Neither A nor B Maximum bending stress = 32M/πd³ Both A and B ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, Horizontal thrust is wl2/8h All of these S.F. will be zero throughout B.M. will be zero throughout Horizontal thrust is wl2/8h All of these S.F. will be zero throughout B.M. will be zero throughout ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is (L/2d)² L/2d (L/3d)² L/d (L/2d)² L/2d (L/3d)² L/d ANSWER DOWNLOAD EXAMIANS APP
Theory of Structures For the close coil helical spring of the maximum deflection is WD3n/d4N 2WD3n/d4N 8WD3n/d4N 4W²D3n/d4N WD3n/d4N 2WD3n/d4N 8WD3n/d4N 4W²D3n/d4N ANSWER DOWNLOAD EXAMIANS APP